Table 5 Simulation scenarios.

From: Research on the optimization of optimal blasting parameters and fragmentation control based on coal seam geological conditions

Scheme

Blocking length (m)

Upper charge length (m)

Interval length (m)

Lower charge length (m)

Scheme 1

5.0

4.5

2.0

4.5

Scheme 2

5.0

4.0

2.0

5.0

Scheme 3

5.0

3.5

2.0

5.5